MIC2548A-2YM

Product Overview

Category

The MIC2548A-2YM belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for power management applications.

Characteristics

• The MIC2548A-2YM is a high-performance, low-dropout voltage regulator.
• It offers excellent line and load regulation.
• This IC operates with a low quiescent current, making it suitable for battery-powered devices.
• It provides thermal shutdown and current limit protection features.

Package

The MIC2548A-2YM is available in a small outline package (SOP) with 8 pins.

Essence

The essence of the MIC2548A-2YM lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC2548A-2YM has the following pin configuration:

```

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| | --| VOUT GND|-- Pin 1 --| VIN EN |-- Pin 2 --| FB NC |-- Pin 3 --| NC VREF|-- Pin 4 --| NC VREF|-- Pin 5 --| NC VREF|-- Pin 6 --| NC VREF|-- Pin 7 --| NC VREF|-- Pin 8 |___________| ```

Functional Features

• Voltage Regulation: The MIC2548A-2YM provides precise voltage regulation, ensuring a stable output voltage even under varying load conditions.
• Low Dropout: With a low dropout voltage, this IC can maintain regulation even when the input voltage is close to the desired output voltage.
• Thermal Shutdown: The IC incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Current Limit Protection: It also includes current limit protection, safeguarding against excessive current flow.

Advantages and Disadvantages

Advantages

• High-performance voltage regulation
• Low quiescent current for power efficiency
• Compact SOP package for space-constrained applications
• Thermal shutdown and current limit protection for enhanced reliability

Disadvantages

• Limited output voltage range (1.2V to 5.5V)
• Not suitable for high-power applications

Working Principles

The MIC2548A-2YM operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The feedback pin (FB) is used to provide feedback to the internal control circuitry, enabling accurate voltage regulation.

Detailed Application Field Plans

The MIC2548A-2YM finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC2548A-2YM include: - LM1117-3.3: A low-dropout voltage regulator with a fixed output voltage of 3.3V. - LT1763: A high-performance, low-noise LDO regulator with adjustable output voltage. - TPS7A4700: An ultra-low-noise, high-PSRR LDO regulator suitable for sensitive applications.

These alternative models can be considered based on specific requirements and design constraints.

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